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Physics Paper 2 Equations > Physics Paper 2 Equations > Flashcards

Physics Paper 2 Equations Flashcards

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1
Q

Work done

A

Force * distanced moved in the direction of the force

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2
Q

Power

A

Work done/ time

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3
Q

Moment of a force

A

Force * distance perpendicular to the force

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4
Q

Charge

A

Current * time

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5
Q

Energy

A

Charge * potential difference

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6
Q

Potential difference

A

Current * resistance

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7
Q

Energy

A

Current * potential difference * time

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8
Q

Power

A

Energy / time

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9
Q

Electrical power

A

Current * potential difference

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10
Q

Electrical power

A

Current^2 * resistance

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11
Q

Force on conductor carrying current at right angles to the magnetic field

A

Magnetic field strength * current * length

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12
Q

Right hand rule

A

👎🏻👎🏻👎🏻👎🏻👎🏻👎🏻👎🏻
The thumb is direction of current
The fingers are direction of magnetic field

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13
Q

Flemmings left hand rule

A

👍🏿👈🏾🖕
Thumb is for force
Index Finger is for magnetic field
Middle finger is for current

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14
Q

Potential difference across primary coil
——————————————————
Potential difference across secondary coil

A

Number of coils in primary coil
——————————————
Number of coils in secondary coil

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15
Q

Potential difference across primary coil *

Current in primary coil

A

Potential difference across secondary coil *

Current in secondary coil

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16
Q

Density

A

Mass / volume

17
Q

Change in thermal energy

A

Mass * specific heat capacity * change in temperature

18
Q

Thermal energy needed for a change of state

A

Mass * specific latent heat

19
Q

Kelvin

A

Degrees- 273

20
Q

Degrees

A

Kelvin + 273

21
Q

Starting pressure * starting volume

A

Finishing pressure * finishing volume

22
Q

Force

A

Spring constant * extension

23
Q

Energy transferred in stretching

A

0.5 * spring constant * extension ^2

24
Q

Pressure

A

Force / area

25
Q

Pressure due to a column

A

Height of column * density of liquid * gravitational field strength

Physics Paper 2 Equations (1 decks)

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